* {
    margin: 0;
    padding: 0;
}

#canvas {
    margin: 50px auto;
    width: 570px;
    height: 570px;
    background: rgba(249, 214, 91, 1);
}

#reset {
    width: 100px;
    height: 30px;
    line-height: 30px;
    border: 1px solid #000;
    text-align: center;
    margin: 20px auto;
    cursor: pointer;
}

.setting-box {
    display: -webkit-flex;
    display: flex;
    width: 100%;
    -webkit-justify-content: center;
    justify-content: center;
}

.setting-box>div {
    border: 1px #000 solid;
    margin-left: 10px;
    width: 80px;
    text-align: center;
    cursor: pointer;
    height: 30px;
    line-height: 30px;
}

.is-choose {
    background: #fe121d;
    color: #fff;
}
